Broadband Coherent Anti-Stokes Raman Scattering Microspectroscopy Using the Soliton Pulses From a Photonic Crystal Fiber — Observation of Raman Line in Diamond Powders
Abstract:We have investigated broadband coherent anti-Stokes Raman scattering (CARS) microspectroscopy using the soliton pulses from a photonic crystal fiber. CARS spectrum shows a dispersive shape due to the contributions from a frequency-independent nonresonant component and from a resonant component that corresponds to spontaneous Raman scattering. To extract the resonant component from the CARS spectrum, the functional form of this component was commonly assumed to be a simple Lorentzian function and a nonlinear fi… Show more
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